
.boxcontainer{
    position:fixed;
    left:0;
    top:0;
    width:750px;
    height:100vh;
z-index:99;
    background-color: rgba(0, 0, 0, 0);
/* 让鼠标事件穿透遮罩层 */
    pointer-events: none;
}

.boxmovable{
    width:100%;
    height:100%;

    pointer-events: none;
}

.movecase{
    pointer-events: auto;
    width:100rpx;
    height:100rpx;
/*    background-color: red;*/
    z-index:100;
}